About: http://webisa.webdatacommons.org/148536744

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	??? Newly developed ???USB Dock??? (optional) exclusively for new Sigma lenses Designed for the newest Sigma lenses, proprietary Optimization Pro software allows photographers to update lens firmware and adjust parameters such as focus.
http://www.w3.org/ns/prov#wasQuotedFrom	photoxels.com